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From: Andi Kleen <ak@linux.intel.com>
To: David Hildenbrand <david@redhat.com>,
	Yu Zhang <yu.c.zhang@linux.intel.com>
Cc: Sean Christopherson <seanjc@google.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Joerg Roedel <jroedel@suse.de>,
	David Rientjes <rientjes@google.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	Tom Lendacky <thomas.lendacky@amd.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Varad Gautam <varad.gautam@suse.com>,
	Dario Faggioli <dfaggioli@suse.com>,
	x86@kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev,
	"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
	"Kirill A . Shutemov" <kirill@shutemov.name>,
	Kuppuswamy Sathyanarayanan
	<sathyanarayanan.kuppuswamy@linux.intel.com>,
	Dave Hansen <dave.hansen@intel.com>
Subject: Re: [RFC] KVM: mm: fd-based approach for supporting KVM guest private memory
Date: Tue, 31 Aug 2021 13:01:37 -0700	[thread overview]
Message-ID: <765e9bbe-2df5-3dcc-9329-347770dc091d@linux.intel.com> (raw)
In-Reply-To: <243bc6a3-b43b-cd18-9cbb-1f42a5de802f@redhat.com>


>> Thanks a lot for this summary. A question about the requirement: do 
>> we or
>> do we not have plan to support assigned device to the protected VM?
>
> Good question, I assume that is stuff for the far far future.

It is in principle possible with the current TDX, but not secure. But 
someone might decide to do it. So it would be good to have basic support 
at least.

-Andi

>
>

  reply	other threads:[~2021-08-31 20:02 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-24  0:52 [RFC] KVM: mm: fd-based approach for supporting KVM guest private memory Sean Christopherson
2021-08-24 10:48 ` Yu Zhang
2021-08-26  0:35   ` Sean Christopherson
2021-08-26 13:23     ` Yu Zhang
2021-08-26 10:15 ` David Hildenbrand
2021-08-26 17:05   ` Andy Lutomirski
2021-08-26 21:26     ` David Hildenbrand
2021-08-27 18:24       ` Andy Lutomirski
2021-08-27 22:28         ` Sean Christopherson
2021-08-31 19:12           ` David Hildenbrand
2021-08-31 20:45             ` Sean Christopherson
2021-09-01  7:51               ` David Hildenbrand
2021-08-27  2:31   ` Yu Zhang
2021-08-31 19:08     ` David Hildenbrand
2021-08-31 20:01       ` Andi Kleen [this message]
2021-08-31 20:15         ` David Hildenbrand
2021-08-31 20:39           ` Andi Kleen
2021-09-01  3:34             ` Yu Zhang
2021-09-01  4:53     ` Andy Lutomirski
2021-09-01  7:12       ` Tian, Kevin
2021-09-01 10:24       ` Yu Zhang
2021-09-01 16:07         ` Andy Lutomirski
2021-09-01 16:27           ` David Hildenbrand
2021-09-02  8:34             ` Yu Zhang
2021-09-02  8:44               ` David Hildenbrand
2021-09-02 11:02                 ` Yu Zhang
2021-09-02  8:19           ` Yu Zhang
2021-09-02 18:41             ` Andy Lutomirski
2021-09-07  1:33             ` Yan Zhao
2021-09-02  9:27           ` Joerg Roedel
2021-09-02 18:41             ` Andy Lutomirski
2021-09-02 18:57               ` Sean Christopherson
2021-09-02 19:07                 ` Dave Hansen
2021-09-02 20:42                   ` Andy Lutomirski
2021-08-27 22:18   ` Sean Christopherson
2021-08-31 19:07     ` David Hildenbrand
2021-08-31 21:54       ` Sean Christopherson
2021-09-01  8:09         ` David Hildenbrand
2021-09-01 15:54           ` Andy Lutomirski
2021-09-01 16:16             ` David Hildenbrand
2021-09-01 17:09               ` Andy Lutomirski
2021-09-01 16:18             ` James Bottomley
2021-09-01 16:22               ` David Hildenbrand
2021-09-01 16:31                 ` James Bottomley
2021-09-01 16:37                   ` David Hildenbrand
2021-09-01 16:45                     ` James Bottomley
2021-09-01 17:08                       ` David Hildenbrand
2021-09-01 17:50                         ` Sean Christopherson
2021-09-01 17:53                           ` David Hildenbrand
2021-09-01 17:08               ` Andy Lutomirski
2021-09-01 17:13                 ` James Bottomley
2021-09-02 10:18                 ` Joerg Roedel
2021-09-01 18:24               ` Andy Lutomirski
2021-09-01 19:26               ` Dave Hansen
2021-09-07 15:00               ` Tom Lendacky
2021-09-01  4:58       ` Andy Lutomirski
2021-09-01  7:49         ` David Hildenbrand
2021-09-02 18:47 ` Kirill A. Shutemov
2021-09-02 20:33   ` Sean Christopherson
2021-09-03 19:14     ` Kirill A. Shutemov
2021-09-03 19:15       ` Andy Lutomirski
2021-09-10 17:18         ` Kirill A. Shutemov
2021-09-15 19:58           ` Chao Peng
2021-09-15 13:51             ` David Hildenbrand
2021-09-15 14:29               ` Kirill A. Shutemov
2021-09-15 14:59                 ` David Hildenbrand
2021-09-15 15:35                   ` David Hildenbrand
2021-09-15 20:04                   ` Kirill A. Shutemov
2021-09-15 14:11             ` Kirill A. Shutemov
2021-09-16  7:36               ` Chao Peng
2021-09-16  9:24               ` Paolo Bonzini

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